1.20.x field.module field_config_delete_validate(Config $active_config, $all_changes)

Implements hook_config_delete_validate().

Related topics

Field API Attach custom data fields to Backdrop entities.

File

modules/field/field.module, line 543
Attach custom data fields to Backdrop entities.

Code

function field_config_delete_validate(Config $active_config, $all_changes) {
  $config_name = $active_config->getName();

  // @todo: We could support field deletion through config updates, but the
  // additional processing time or required cron runs to clear the data could
  // cause long imports or user confusion. For now fields have to be manually
  // deleted when they contain data, rather than deleted through config.
  if (strpos($config_name, 'field.field.') === 0) {
    $field_name = $active_config->get('field_name');
    $field = $active_config->get();
    if (field_has_data($field)) {
      throw new ConfigValidateException(t('The field "@field" cannot be deleted through a configuration import. Delete the field manually first, then retry the import.', array('@field' => $field_name)));
    }
  }
}